12001223212132 has 48 divisors (see below), whose sum is σ = 27724750962048. Its totient is φ = 4400754117120.

The previous prime is 12001223212123. The next prime is 12001223212151. The reversal of 12001223212132 is 23121232210021.

It is a super-3 number, since 3×12001223212132³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146024483 + ... + 1146034954.

It is an arithmetic number, because the mean of its divisors is an integer number (577598978376).

Almost surely, 2^{12001223212132} is an apocalyptic number.

It is an amenable number.

12001223212132 is an abundant number, since it is smaller than the sum of its proper divisors (15723527749916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001223212132 is a wasteful number, since it uses less digits than its factorization.

12001223212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292059476 (or 2292059474 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12001223212132 its reverse (23121232210021), we get a palindrome (35122455422153).

The spelling of 12001223212132 in words is "twelve trillion, one billion, two hundred twenty-three million, two hundred twelve thousand, one hundred thirty-two".